How does the weather in the notification bar display 4s

Apple's 4s drop-down menu suddenly does not display the weather solution;

1. Click to enter the phone setting interface;

2. After entering the setting interface, find the location service in the privacy settings, turn on the location service, and allow the weather to use the location service;

3. Next, in the setting interface, find the notification center and click Enter;

4. Find today's summary and click the small slider to open it; At the same time, open the calendar day view;

5. Next, return to the main interface, drop down the notification bar, and wait for the mobile phone to access the data to display today's weather information.